📄 bsp.c
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/*
*********************************************************************************************************
* MICRIUM BOARD SUPPORT SUPPORT
*
* (c) Copyright 2003-2006; Micrium, Inc.; Weston, FL
*
* All rights reserved. Protected by international copyright laws.
* Knowledge of the source code may NOT be used to develop a similar product.
* Please help us continue to provide the Embedded community with the finest
* software available. Your honesty is greatly appreciated.
*********************************************************************************************************
*/
/*
*********************************************************************************************************
*
* BOARD SUPPORT PACKAGE
*
* NXP LPC2468
* on the
* Embedded Artists LPC2468 OEM Board
*
* Filename : bsp.c
* Version : V1.00
* Programmer(s) : BAN
*********************************************************************************************************
*/
/*
*********************************************************************************************************
* INCLUDE FILES
*********************************************************************************************************
*/
#define BSP_MODULE
#include <bsp.h>
/*
*********************************************************************************************************
* LOCAL DEFINES
*********************************************************************************************************
*/
/* -------------------- GPIO0 Pins -------------------- */
#define GPIO0_CANRD1 DEF_BIT_00 /* CAN Transceiver */
#define GPIO0_CANTD1 DEF_BIT_01 /* CAN Transceiver */
#define GPIO0_TXD0 DEF_BIT_02 /* UART #0: Over Serial Bridge */
#define GPIO0_RXD0 DEF_BIT_03 /* UART #0: Over Serial Bridge */
#define GPIO0_CANRD2 DEF_BIT_05 /* CAN Transceiver */
#define GPIO0_LCD_CS_SEL DEF_BIT_06 /* LCD (Can be selected) */
#define GPIO0_CANTD2 DEF_BIT_07 /* CAN Transceiver */
#define GPIO0_LCD_RS_SEL DEF_BIT_07 /* LCD (Can be selected) */
#define GPIO0_LCD_WE_SEL DEF_BIT_08 /* LCD (Can be selected) */
#define GPIO0_USBB_PORT_PWR DEF_BIT_12 /* USB Channel B */
#define GPIO0_USBB_LED DEF_BIT_13 /* USB Channel B */
#define GPIO0_USBB_HOST_DEV_EN DEF_BIT_14 /* USB Channel B */
#define GPIO0_LCD_SCK DEF_BIT_15 /* LCD (Can be selected for serial interface) */
#define GPIO0_LCD_MISO DEF_BIT_17 /* LCD (Can be selected for serial interface) */
#define GPIO0_LCD_MOSI DEF_BIT_18 /* LCD (Can be selected for serial interface) */
#define GPIO0_PHY_PRWDN_SEL DEF_BIT_20
#define GPIO0_LCD_RSTOUT_SEL DEF_BIT_21 /* LCD (Can be selected) */
#define GPIO0_MCIDAT0_SEL DEF_BIT_22 /* SD/MMC (Because of silicon errata) */
#define GPIO0_AD00 DEF_BIT_23
#define GPIO0_AD01 DEF_BIT_24
#define GPIO0_PBLED_SDA0 DEF_BIT_27 /* PCA9532 */
#define GPIO0_PBLED_SCL0 DEF_BIT_28 /* PCA9532 */
#define GPIO0_USBA_DP DEF_BIT_29
#define GPIO0_USBA_DM DEF_BIT_30
#define GPIO0_USBB_DP DEF_BIT_31
/* -------------------- GPIO1 Pins -------------------- */
#define GPIO1_E_TXD0 DEF_BIT_00
#define GPIO1_E_TXD1 DEF_BIT_01
#define GPIO1_MCICLK DEF_BIT_02 /* SD/MMC */
#define GPIO1_MCICMD DEF_BIT_03 /* SD/MMC */
#define GPIO1_E_TX_EN DEF_BIT_04
#define GPIO1_MCIPWR DEF_BIT_05 /* SD/MMC */
#define GPIO1_MCIDAT0 DEF_BIT_06 /* SD/MMC (Cannot be used due to errata) */
#define GPIO1_MCIDAT1 DEF_BIT_07 /* SD/MMC */
#define GPIO1_E_CRS0 DEF_BIT_08
#define GPIO1_E_RXD0 DEF_BIT_09
#define GPIO1_E_RXD1 DEF_BIT_10
#define GPIO1_MCIDAT2 DEF_BIT_11 /* SD/MMC */
#define GPIO1_MCIDAT3 DEF_BIT_12 /* SD/MMC */
#define GPIO1_E_RX_ER DEF_BIT_14
#define GPIO1_E_RX_CLK DEF_BIT_15
#define GPIO1_E_MDC DEF_BIT_16
#define GPIO1_E_MDIO DEF_BIT_17
#define GPIO1_USBA_LED DEF_BIT_18 /* USB Channel A (OTG) */
#define GPIO1_USBA_SDA DEF_BIT_27
#define GPIO1_USBA_SCL DEF_BIT_28
#define GPIO1_USBA_INT DEF_BIT_29
#define GPIO1_USBB_PWR_VBUS DEF_BIT_30 /* USB Channel B */
#define GPIO1_USBB_OVERCRNT DEF_BIT_31 /* USB Channel B */
/* -------------------- GPIO2 Pins -------------------- */
#define GPIO2_ETM ((CPU_INT32U)(0x000000FF))
#define GPIO2_EINT0 DEF_BIT_10
#define GPIO2_PHY_INT_SEL DEF_BIT_11 /* PHY Interrupt output */
#define GPIO2_NAND_BUSY_SEL DEF_BIT_12
#define GPIO2_CS2 DEF_BIT_14 /* DBUS_EN */
#define GPIO2_RAS DEF_BIT_16
#define GPIO2_CAS DEF_BIT_17
#define GPIO2_CLKOUT0 DEF_BIT_18
#define GPIO2_CLKOUT1 DEF_BIT_19
#define GPIO2_DYCS0 DEF_BIT_20
#define GPIO2_DYCS1 DEF_BIT_21 /* DBUS_EN */
#define GPIO2_CKE0 DEF_BIT_24
#define GPIO2_CKE1 DEF_BIT_25
#define GPIO2_DQM0 DEF_BIT_28
#define GPIO2_DQM1 DEF_BIT_29
/* -------------------- GPIO4 Pins -------------------- */
#define GPIO3_LCD_D ((CPU_INT32U)(0x0000FFFF)) /* LCD Data Bus */
#define GPIO3_TXD1 DEF_BIT_16 /* UART #1: RS232 Full Modem or WLAN Add-On Module */
#define GPIO3_RXD1 DEF_BIT_17 /* UART #1: RS232 Full Modem or WLAN Add-On Module */
#define GPIO3_CTS1 DEF_BIT_18 /* UART #1: RS232 Full Modem or WLAN Add-On Module */
#define GPIO3_DCD1 DEF_BIT_19 /* UART #1: RS232 Full Modem or WLAN Add-On Module */
#define GPIO3_DSR1 DEF_BIT_20 /* UART #1: RS232 Full Modem or WLAN Add-On Module */
#define GPIO3_DTR1 DEF_BIT_21 /* UART #1: RS232 Full Modem or WLAN Add-On Module */
#define GPIO3_RI1 DEF_BIT_22 /* UART #1: RS232 Full Modem or WLAN Add-On Module */
#define GPIO3_LCD_LIGHT DEF_BIT_28 /* LCD Backlight */
#define GPIO3_RTS1 DEF_BIT_30 /* UART #1: RS232 Full Modem or WLAN Add-On Module */
/* -------------------- GPIO4 Pins -------------------- */
#define GPIO4_LCD_A ((CPU_INT32U)(0x00FFFFFF)) /* LCD address bus */
#define GPIO4_LCD_OE DEF_BIT_24 /* LCD RD_E Input */
#define GPIO4_LCD_WE DEF_BIT_25 /* LCD WR_RW Input */
#define GPIO4_BLS0 DEF_BIT_26
#define GPIO4_BLS1 DEF_BIT_27
#define GPIO4_CS0 DEF_BIT_30
#define GPIO4_CS1 DEF_BIT_31
/*
*********************************************************************************************************
* LOCAL CONSTANTS
*********************************************************************************************************
*/
/*
*********************************************************************************************************
* LOCAL DATA TYPES
*********************************************************************************************************
*/
/*
*********************************************************************************************************
* LOCAL TABLES
*********************************************************************************************************
*/
/*
*********************************************************************************************************
* LOCAL GLOBAL VARIABLES
*********************************************************************************************************
*/
CPU_INT32U VIC_SpuriousInt;
/*
*********************************************************************************************************
* LOCAL FUNCTION PROTOTYPES
*********************************************************************************************************
*/
static void PLL_Init (void);
static void MAM_Init (void);
static void GPIO_Init (void);
static void VIC_Init (void);
static void ADC_Init (void);
static void RTC_Init (void);
static void VIC_Dummy (void); /* Prototypes for dummy interrupt handlers. */
static void VIC_DummyWDT (void);
static void VIC_DummySW (void);
static void VIC_DummyDEBUGRX (void);
static void VIC_DummyDEBUGTX (void);
static void VIC_DummyTIMER0 (void);
static void VIC_DummyTIMER1 (void);
static void VIC_DummyUART0 (void);
static void VIC_DummyUART1 (void);
static void VIC_DummyPWM01 (void);
static void VIC_DummyI2C0 (void);
static void VIC_DummySPI (void);
static void VIC_DummySSP1 (void);
static void VIC_DummyPLL (void);
static void VIC_DummyRTC (void);
static void VIC_DummyEINT0 (void);
static void VIC_DummyEINT1 (void);
static void VIC_DummyEINT2 (void);
static void VIC_DummyEINT3 (void);
static void VIC_DummyAD0 (void);
static void VIC_DummyI2C1 (void);
static void VIC_DummyBOD (void);
static void VIC_DummyETHERNET(void);
static void VIC_DummyUSB (void);
static void VIC_DummyCAN01 (void);
static void VIC_DummyMMC (void);
static void VIC_DummyGP_DMA (void);
static void VIC_DummyTIMER2 (void);
static void VIC_DummyTIMER3 (void);
static void VIC_DummyUART2 (void);
static void VIC_DummyUART3 (void);
static void VIC_DummyI2C2 (void);
static void VIC_DummyI2S (void);
/*
*********************************************************************************************************
* LOCAL CONFIGURATION ERRORS
*********************************************************************************************************
*/
/*
*********************************************************************************************************
*********************************************************************************************************
** GLOBAL FUNCTIONS
*********************************************************************************************************
*********************************************************************************************************
*/
void EINT_Init();
#if (DALI_APP_MODULE > 0)
void Dali_Timer_Init(void);
#endif
/*
*********************************************************************************************************
* BSP_Init()
*
* Description : Initialize the Board Support Package (BSP).
*
* Argument(s) : none.
*
* Return(s) : none.
*
* Note(s) : (1) This function SHOULD be called before any other BSP function is called.
*********************************************************************************************************
*/
void BSP_Init (void)
{
PLL_Init(); /* Initialize the PLL. */
RTC_Init(); /* Initialize the Real Time Clock. */
MAM_Init(); /* Initialize the Memory Acceleration Module. */
GPIO_Init(); /* Initialize the board's I/Os. */
VFD_Init(); /* Initialize the VFD GPIO pins */
ADC_Init(); /* Initialize the board's ADCs. */
VIC_Init(); /* Initialize the Vectored Interrupt Controller. */
PWW_PiezoInit(); /* Initialize the PWW used by Piezo */
#if (DALI_APP_MODULE > 0)
Dali_Timer_Init ();
#endif
}
/*
*********************************************************************************************************
* BSP_CPU_ClkFreq()
*
* Description : Get the CPU clock frequency.
*
* Argument(s) : none.
*
* Return(s) : The CPU clock frequency, in Hz.
*********************************************************************************************************
*/
CPU_INT32U BSP_CPU_ClkFreq (void)
{
CPU_INT32U msel;
CPU_INT32U nsel;
CPU_INT32U fin;
CPU_INT32U pll_clk_feq; /* When the PLL is enabled, this is Fcco. */
CPU_INT32U clk_div;
CPU_INT32U clk_freq;
switch (CLKSRCSEL & 0x03) { /* Determine the current clock source. */
case 0:
fin = IRC_OSC_FRQ;
break;
case 1:
fin = MAIN_OSC_FRQ;
break;
case 2:
fin = RTC_OSC_FRQ;
break;
default:
fin = IRC_OSC_FRQ;
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